Merge pull request #549 from google/change_HEAD

Project import generated by Copybara.
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Isaac Good 2020-05-12 23:36:27 -07:00 committed by GitHub
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@ -936,7 +936,7 @@ statement, and otherwise be wary of its expression evaluating to zero
```shell
# Simple calculation used as text - note the use of $(( … )) within
# a string.
echo "$(( 2 + 2 )) is 4!?"
echo "$(( 2 + 2 )) is 4"
# When performing arithmetic comparisons for testing
if (( a < b )); then